| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat exchanger, where a core is laid out sot that oil does not gather at the bottom of a header tank, in a heat exchange where a plurality of cores are arranged in parallel. SOLUTION: In a heat exchanger 1, which is equipped with a cores 2 and 3 constituted by alternately stacking heat exchange tubes and fins in plural stages and connecting the heat exchange tubes to a header tank where the sending and supply of a refrigerant is performed and in which the plural cores are arranged in parallel, so that the longitudinal direction of the tube is orthogonal to the direction of ventilation of air and which is equipped with a communication member 4 for circulating a refrigerant between each core and the next, the several cores are equipped with inflow ports 2d and 3d for a refrigerant above header tanks 2a and 3a, and are equipped with outflow ports 2e and 3e for a refrigerant under the header tanks 2a and 3a.
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